CVE-2026-35159

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-07-03. the CNA's CVSS baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:dell, epss, ghsa
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Dell Client Platform BIOS contains an Authentication Bypass by Primary Weakness vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Information Disclosure.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
24(Track)
EG Risk 24/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity53% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

July 3, 2026

Last Modified

September 17, 2026

Advisory Details (1)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic

DSA-2026-195: Security Update for Dell Client Platform BIOS for an Authentication Bypass by Primary Weakness Vulnerability | Dell US

https://www.dell.com/support/kbdoc/en-us/000452197/dsa-2026-195

Vendor Advisories for CVE-2026-35159(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 16× in last 7d / 52× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 174 total refreshes for this CVE.

  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-17 19:30 UTCEPSS rescore
  4. 2026-09-17 18:29 UTCEG score recompute
  5. 2026-09-17 18:29 UTCGHSA enrichment
  6. 2026-09-16 14:08 UTCEPSS rescore
  7. 2026-09-16 05:15 UTCEPSS rescore
  8. 2026-09-15 03:11 UTCEPSS rescore
  9. 2026-09-14 09:34 UTCEG score recompute
  10. 2026-09-14 09:34 UTCGHSA enrichment
  11. 2026-09-13 16:47 UTCEPSS rescore
  12. 2026-09-13 11:57 UTCEG score recompute
  13. 2026-09-13 11:57 UTCGHSA enrichment
  14. 2026-09-12 15:01 UTCEPSS rescore
  15. 2026-09-12 14:05 UTCEG score recompute
  16. 2026-09-12 14:05 UTCGHSA enrichment
  17. 2026-09-11 14:53 UTCEPSS rescore
  18. 2026-09-11 09:37 UTCEPSS rescore
  19. 2026-09-10 09:34 UTCEPSS rescore
  20. 2026-09-08 22:00 UTCEPSS rescore
  21. 2026-09-07 16:01 UTCEPSS rescore
  22. 2026-09-06 13:47 UTCEPSS rescore
  23. 2026-09-05 23:48 UTCEG score recompute
  24. 2026-09-05 23:48 UTCGHSA enrichment
  25. 2026-09-04 05:06 UTCEPSS rescore
Show 75 more
  1. 2026-09-02 14:12 UTCEPSS rescore
  2. 2026-09-01 13:53 UTCEPSS rescore
  3. 2026-09-01 04:39 UTCEPSS rescore
  4. 2026-08-30 19:17 UTCEPSS rescore
  5. 2026-08-30 11:19 UTCEG score recompute
  6. 2026-08-30 11:19 UTCGHSA enrichment
  7. 2026-08-30 01:22 UTCEPSS rescore
  8. 2026-08-28 21:41 UTCEPSS rescore
  9. 2026-08-28 02:45 UTCEG score recompute
  10. 2026-08-28 02:45 UTCGHSA enrichment
  11. 2026-08-27 14:25 UTCEPSS rescore
  12. 2026-08-27 03:13 UTCEG score recompute
  13. 2026-08-27 03:13 UTCGHSA enrichment
  14. 2026-08-26 14:46 UTCEPSS rescore
  15. 2026-08-25 13:49 UTCEPSS rescore
  16. 2026-08-24 20:54 UTCEG score recompute
  17. 2026-08-24 20:54 UTCGHSA enrichment
  18. 2026-08-23 18:35 UTCEG score recompute
  19. 2026-08-23 18:35 UTCGHSA enrichment
  20. 2026-08-23 00:19 UTCEPSS rescore
  21. 2026-08-22 20:58 UTCEG score recompute
  22. 2026-08-22 20:58 UTCGHSA enrichment
  23. 2026-08-21 23:49 UTCEPSS rescore
  24. 2026-08-21 23:20 UTCGHSA enrichment
  25. 2026-08-21 01:35 UTCEG score recompute
  26. 2026-08-21 01:35 UTCGHSA enrichment
  27. 2026-08-20 22:55 UTCEPSS rescore
  28. 2026-08-20 03:56 UTCEG score recompute
  29. 2026-08-20 03:56 UTCGHSA enrichment
  30. 2026-08-19 17:03 UTCEPSS rescore
  31. 2026-08-19 02:04 UTCEG score recompute
  32. 2026-08-19 02:04 UTCGHSA enrichment
  33. 2026-08-18 13:48 UTCEPSS rescore
  34. 2026-08-18 04:27 UTCEG score recompute
  35. 2026-08-18 04:27 UTCGHSA enrichment
  36. 2026-08-17 13:47 UTCEPSS rescore
  37. 2026-08-17 05:05 UTCEG score recompute
  38. 2026-08-17 05:05 UTCGHSA enrichment
  39. 2026-08-16 14:56 UTCEPSS rescore
  40. 2026-08-16 07:27 UTCEG score recompute
  41. 2026-08-16 07:27 UTCGHSA enrichment
  42. 2026-08-16 02:14 UTCEPSS rescore
  43. 2026-08-15 09:50 UTCEG score recompute
  44. 2026-08-15 09:50 UTCGHSA enrichment
  45. 2026-08-15 01:30 UTCEPSS rescore
  46. 2026-08-14 12:12 UTCEG score recompute
  47. 2026-08-14 12:12 UTCGHSA enrichment
  48. 2026-08-13 22:00 UTCEPSS rescore
  49. 2026-08-13 14:35 UTCGHSA enrichment
  50. 2026-08-12 16:45 UTCEG score recompute
  51. 2026-08-12 16:45 UTCGHSA enrichment
  52. 2026-08-12 13:50 UTCEPSS rescore
  53. 2026-08-11 19:08 UTCEG score recompute
  54. 2026-08-11 19:08 UTCGHSA enrichment
  55. 2026-08-11 00:00 UTCEPSS rescore
  56. 2026-08-10 21:23 UTCGHSA enrichment
  57. 2026-08-09 23:45 UTCEG score recompute
  58. 2026-08-09 23:45 UTCGHSA enrichment
  59. 2026-08-09 13:46 UTCEPSS rescore
  60. 2026-08-09 02:08 UTCEG score recompute
  61. 2026-08-09 02:08 UTCGHSA enrichment
  62. 2026-08-08 16:37 UTCEPSS rescore
  63. 2026-08-08 04:31 UTCEG score recompute
  64. 2026-08-08 04:31 UTCGHSA enrichment
  65. 2026-08-07 06:53 UTCEG score recompute
  66. 2026-08-07 06:53 UTCGHSA enrichment
  67. 2026-08-06 13:46 UTCEPSS rescore
  68. 2026-08-06 09:15 UTCEG score recompute
  69. 2026-08-06 09:15 UTCGHSA enrichment
  70. 2026-08-05 19:17 UTCEPSS rescore
  71. 2026-08-05 11:38 UTCEG score recompute
  72. 2026-08-05 11:38 UTCGHSA enrichment
  73. 2026-08-04 15:10 UTCEPSS rescore
  74. 2026-08-04 13:55 UTCEG score recompute
  75. 2026-08-04 13:54 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-35159?
CVE-2026-35159 is a medium vulnerability published on July 3, 2026. Dell Client Platform BIOS contains an Authentication Bypass by Primary Weakness vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Information Disclosure.
When was CVE-2026-35159 disclosed?
CVE-2026-35159 was first published in the National Vulnerability Database on July 3, 2026, with the most recent update on September 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35159 actively exploited?
CVE-2026-35159 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 89.0% of all scored CVEs.
What is the CVSS score of CVE-2026-35159?
CVE-2026-35159 has a CVSS v4.0 base score of 5.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-35159?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-35159, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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